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wrote...
12 years ago
4.5. What is the key variable in an isometric contraction?

Muscle length
Biology!
wrote...
12 years ago
4.4. The graph shows a dip at muscle length = 90 mm. Why is this?

As the muscle length is increased from 50 mm to 100 mm, the total force initially rises, then, at a muscle length of 76 mm, begins to fall, and finally, at a muscle length of 94 mm, rises again producing a dip in the curve.
Biology!
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